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A review of dissolved oxygen modelling techniques for lowland rivers

Cox, B. A. (2003) A review of dissolved oxygen modelling techniques for lowland rivers. SCIENCE OF THE TOTAL ENVIRONMENT , 314. pp. 303-334. ISSN 0048-9697

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To link to this item DOI: 10.1016/s0048-9697(03)00062-7

Abstract/Summary

This review introduces the methods used to simulate the processes affecting dissolved oxygen (DO) in lowland rivers. The important processes are described and this provides a modelling framework to describe those processes in the context of a mass-balance model. The process equations that are introduced all require (reaction) rate parameters and a variety of common procedures for identifying those parameters are reviewed. This is important because there is a wide range of estimation techniques for many of the parameters. These different techniques elicit different estimates of the parameter value and so there is the potential for a significant uncertainty in the model's inputs and therefore in the output too. Finally, the data requirements for modelling DO in lowland rivers are summarised on the basis of modelling the processes described in this review using a mass-balance model. This is reviewed with regard to what data are available and from where they might be obtained. (C) 2003 Elsevier Science B.V. All rights reserved.

Item Type:Article
Divisions:Faculty of Science > School of Archaeology, Geography and Environmental Science
ID Code:3429
Uncontrolled Keywords:dissolved oxygen biochemical oxygen demand photosynthesis respiration mass-balance model rate parameter
Additional Information: Conference Information: Meeting on Estuarine Modelling: Use and Abuse CUMBRIA, ENGLAND, SEP, 2001

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